curltest.cpp

#include <curl/curl.h>

size_t
handle_response(char * ptr, size_t size, size_t nmemb, void *userdata)
{
  std::string current{ptr, size*nmemb};

  std::string *response = (std::string *)userdata;
  *response += current;

  return size*nmemb;
}

int main() {
  CURL *curl = curl_easy_init();
  std::string response;

  curl_easy_setopt(curl, CURLOPT_URL, "http://google.com/");
  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, handle_response);
  curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response);
  curl_easy_perform(curl);

  curl_easy_cleanup(curl);
}